Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 41 + 66 by rounding each number to the nearest 10: ______
- Estimate 79 + 45 by rounding each number to the nearest 10: ______
- Estimate 61 + 76 by rounding each number to the nearest 10: ______
- Estimate 22 − 89 by rounding each number to the nearest 10: ______
- Estimate 86 − 50 by rounding each number to the nearest 10: ______
- Estimate 21 + 82 by rounding each number to the nearest 10: ______
- Estimate 28 + 70 by rounding each number to the nearest 10: ______
- Estimate 63 + 59 by rounding each number to the nearest 10: ______
- Estimate 74 − 33 by rounding each number to the nearest 10: ______
- Estimate 27 − 39 by rounding each number to the nearest 10: ______
- Estimate 50 − 33 by rounding each number to the nearest 10: ______
- Estimate 31 + 48 by rounding each number to the nearest 10: ______
- Estimate 37 − 29 by rounding each number to the nearest 10: ______
- Estimate 31 − 61 by rounding each number to the nearest 10: ______
- Estimate 49 − 45 by rounding each number to the nearest 10: ______
- Estimate 22 + 47 by rounding each number to the nearest 10: ______
- Estimate 85 − 63 by rounding each number to the nearest 10: ______
- Estimate 73 + 38 by rounding each number to the nearest 10: ______
- Estimate 89 − 58 by rounding each number to the nearest 10: ______
- Estimate 55 + 67 by rounding each number to the nearest 10: ______